{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tumor+markers&page=2",
    "query": {
      "intervention": "Tumor markers",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tumor+markers&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-29T14:34:55.991Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT04145141",
      "title": "National Translational Science Network of Precision-based Immunotherapy for Primary Liver Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hepatocellular Carcinoma",
        "Liver Cancer",
        "Cholangiocarcinoma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 132,
      "start_date": "2021-07-28",
      "completion_date": "2026-08-06",
      "has_results": false,
      "last_update_posted_date": "2026-09-24",
      "last_synced_at": "2026-09-29T14:34:55.991Z",
      "location_count": 4,
      "location_summary": "Bethesda, Maryland • New York, New York • Philadelphia, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04145141"
    },
    {
      "nct_id": "NCT00639067",
      "title": "Breath Test for Early Detection of Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Neoplasms"
      ],
      "interventions": [
        {
          "name": "Breath Collection Apparatus",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Menssana Research, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 215,
      "start_date": "2008-06",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2014-05-16",
      "last_synced_at": "2026-09-29T14:34:55.991Z",
      "location_count": 4,
      "location_summary": "Newark, Delaware • Orlando, Florida • New York, New York + 1 more",
      "locations": [
        {
          "city": "Newark",
          "state": "Delaware"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00639067"
    },
    {
      "nct_id": "NCT02015728",
      "title": "Selecting Patient-Specific Biologically Targeted Therapy for Pediatric Patients With Refractory Or Recurrent Brain Tumors",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Recurrent Childhood Brain Tumor"
      ],
      "interventions": [
        {
          "name": "Tumor biology testing",
          "type": "DEVICE"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Sorafenib",
          "type": "DRUG"
        },
        {
          "name": "Everolimus",
          "type": "DRUG"
        },
        {
          "name": "Erlotinib",
          "type": "DRUG"
        },
        {
          "name": "Dasatinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Seattle Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "1 Month to 30 Years"
      },
      "enrollment_count": 20,
      "start_date": "2013-12",
      "completion_date": "2017-12",
      "has_results": false,
      "last_update_posted_date": "2016-12-15",
      "last_synced_at": "2026-09-29T14:34:55.991Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02015728"
    },
    {
      "nct_id": "NCT00688246",
      "title": "Bone Mineral Density in Postmenopausal Women at Increased Risk of Breast Cancer And Who Are Receiving Exemestane on MAP3",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "biologic sample preservation procedure",
          "type": "OTHER"
        },
        {
          "name": "dual x-ray absorptometry",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "NCIC Clinical Trials Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "35 Years and older · Female only"
      },
      "enrollment_count": 238,
      "start_date": "2008-07-10",
      "completion_date": "2013-01-10",
      "has_results": false,
      "last_update_posted_date": "2023-08-04",
      "last_synced_at": "2026-09-29T14:34:55.991Z",
      "location_count": 13,
      "location_summary": "Torrance, California • Washington D.C., District of Columbia • Scarborough, Maine + 9 more",
      "locations": [
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Scarborough",
          "state": "Maine"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00688246"
    },
    {
      "nct_id": "NCT00710970",
      "title": "Tamoxifen for Progressive Transitional Cell Carcinoma Following Previous Chemotherapy Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Urinary Bladder Neoplasms"
      ],
      "interventions": [
        {
          "name": "Tamoxifen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Seth Lerner",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2007-01",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2022-01-24",
      "last_synced_at": "2026-09-29T14:34:55.991Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00710970"
    },
    {
      "nct_id": "NCT00280202",
      "title": "Detection of Genetic Markers of Lung Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Biopsy of the major carinal area",
          "type": "PROCEDURE"
        },
        {
          "name": "Biopsy of abnormal & suspicious areas of the bronchial tree",
          "type": "PROCEDURE"
        },
        {
          "name": "Evaluation of the tumor for DNA mutations",
          "type": "PROCEDURE"
        },
        {
          "name": "Bronchoalveolar Lavage (BAL) for cytokine analysis",
          "type": "PROCEDURE"
        },
        {
          "name": "Correlation of flow cytometric & RT PCR for TNM stage",
          "type": "PROCEDURE"
        },
        {
          "name": "Analysis of lymph nodes",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6000,
      "start_date": "1996-06",
      "completion_date": "2050-12",
      "has_results": false,
      "last_update_posted_date": "2025-10-24",
      "last_synced_at": "2026-09-29T14:34:55.991Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00280202"
    },
    {
      "nct_id": "NCT04742387",
      "title": "Assessment of Bone Mineral Density in People Living With HIV and KSHV Associated Malignancies: A Retrospective Longitudinal Analysis",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Kaposi Sarcoma",
        "KSHV Associated Multicentric Castleman Disease",
        "Primary Effusion Lymphoma",
        "IL-6 Related KSHV Associated Cytokine Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 40,
      "start_date": "2021-02-04",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-09-29T14:34:55.991Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04742387"
    },
    {
      "nct_id": "NCT00390429",
      "title": "Docetaxel and Erlotinib in Treating Patients With Advanced Non-Small Cell Lung Cancer or Other Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Lung Cancer",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "docetaxel",
          "type": "DRUG"
        },
        {
          "name": "erlotinib hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 81,
      "start_date": "2002-07",
      "completion_date": "2012-08",
      "has_results": true,
      "last_update_posted_date": "2018-12-06",
      "last_synced_at": "2026-09-29T14:34:55.991Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00390429"
    },
    {
      "nct_id": "NCT00502203",
      "title": "Paclitaxel and Carboplatin in Women With Malignant Mixed Mullerian Tumors (MMMT) of the Uterus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Mixed Tumor, Mullerian"
      ],
      "interventions": [
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 23,
      "start_date": "2001-08",
      "completion_date": "2010-11",
      "has_results": true,
      "last_update_posted_date": "2016-05-09",
      "last_synced_at": "2026-09-29T14:34:55.991Z",
      "location_count": 4,
      "location_summary": "Loma Linda, California • Orlando, Florida • Houston, Texas",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00502203"
    },
    {
      "nct_id": "NCT01808079",
      "title": "Gene Analysis in Studying Susceptibility to Wilms Tumor",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Recurrent Childhood Kidney Neoplasm",
        "Stage I Kidney Wilms Tumor",
        "Stage II Kidney Wilms Tumor",
        "Stage III Kidney Wilms Tumor",
        "Stage IV Kidney Wilms Tumor"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1,
      "start_date": "2009-10",
      "completion_date": "2009-11",
      "has_results": false,
      "last_update_posted_date": "2016-08-22",
      "last_synced_at": "2026-09-29T14:34:55.991Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01808079"
    }
  ]
}